---
product_id: 641727770
title: "Battery Disconnect Switch, Top Post Knife Blade Master Switch, Battery Disconnect Switch 12V 24V, Battery Cut Off Shut Off Switch for RV Automotive Truck Boat (Negative, Vertical)"
brand: "vwtni"
price: "$33.62"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/641727770-battery-disconnect-switch-top-post-knife-blade-master-switch-battery
store_origin: EC
region: Ecuador
---

# Rated current: 250A Max current: 750A Fits 15-17mm top post Battery Disconnect Switch, Top Post Knife Blade Master Switch, Battery Disconnect Switch 12V 24V, Battery Cut Off Shut Off Switch for RV Automotive Truck Boat (Negative, Vertical)

**Brand:** vwtni
**Price:** $33.62
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Your Safety!

## Quick Answers

- **What is this?** Battery Disconnect Switch, Top Post Knife Blade Master Switch, Battery Disconnect Switch 12V 24V, Battery Cut Off Shut Off Switch for RV Automotive Truck Boat (Negative, Vertical) by vwtni
- **How much does it cost?** $33.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/641727770-battery-disconnect-switch-top-post-knife-blade-master-switch-battery)

## Best For

- vwtni enthusiasts

## Why This Product

- Trusted vwtni brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **🛡️ Safety First:** Constructed with premium materials for reliable insulation and conductivity.
- • **🔒 Secure Your Power:** Easily control battery power with a simple lift of the knife blade.
- • **⚙️ Effortless Operation:** Designed for quick and easy on/off functionality to prevent battery drain.
- • **🌍 Versatile Compatibility:** Perfect for RVs, trucks, boats, and more—works with both 12V and 24V systems.
- • **📞 Customer-Centric Support:** We're here for you—reach out anytime for assistance!

## Overview

The Battery Disconnect Switch is a high-performance, zinc alloy switch designed for 12V and 24V systems, featuring a brass knife blade for superior conductivity. It fits 15-17mm battery top post negatives and is ideal for RVs, trucks, and boats, ensuring safety and preventing battery drain.

## Description

Full description not available

## Features

- PREMIUM MATERIAL: Made of zinc alloy, the battery disconnect switch has stable performance, and the knife blade is made of BRASS, which has great conductivity. The black base is made of ABS, which can effectively insulate to ensure safety.
- COMPATIBLE: The battery disconnect switch fits for 15-17mm battery top post negative only, NOT positive pole, please check the negative pole size before purchasing. Max current: 750A, Rated current: 250A.
- EASY TO USE: The Knife Blade Master Switch makes the use to be more convenient, controlling the power on/off by pressing/lifting the knife blade, which could prevent the battery power drain when not in use and secure the battery.
- WIDE APPLICATION: The battery disconnect switch can be widely used in Auto, Truck, RV, Boat, fits for 12v/24v battery. The battery cut off switch can improve the safety of vehicle and seasonal equipment.
- GOOD SERVICE: Please feel free to contact us if you have any problems.

## Product Details

- **Operation Mode:** OFF-NONE-ON
- **Current Rating:** 2.5E+2 Amps
- **Operating Voltage:** 12 Volts
- **Contact Type:** Make
- **Connector Type:** Screw
- **Brand:** VWTNI
- **Terminal:** Screw
- **Item dimensions L x W x H:** 3.67 x 2.67 x 1.78 inches
- **Circuit Type:** 1-way
- **Mounting Type:** Surface Mount

## Images

![Battery Disconnect Switch, Top Post Knife Blade Master Switch, Battery Disconnect Switch 12V 24V, Battery Cut Off Shut Off Switch for RV Automotive Truck Boat (Negative, Vertical) - Image 1](https://m.media-amazon.com/images/I/61UCMMVqhHL.jpg)
![Battery Disconnect Switch, Top Post Knife Blade Master Switch, Battery Disconnect Switch 12V 24V, Battery Cut Off Shut Off Switch for RV Automotive Truck Boat (Negative, Vertical) - Image 2](https://m.media-amazon.com/images/I/71eGe8HHFkL.jpg)
![Battery Disconnect Switch, Top Post Knife Blade Master Switch, Battery Disconnect Switch 12V 24V, Battery Cut Off Shut Off Switch for RV Automotive Truck Boat (Negative, Vertical) - Image 3](https://m.media-amazon.com/images/I/712ddhZCkZL.jpg)
![Battery Disconnect Switch, Top Post Knife Blade Master Switch, Battery Disconnect Switch 12V 24V, Battery Cut Off Shut Off Switch for RV Automotive Truck Boat (Negative, Vertical) - Image 4](https://m.media-amazon.com/images/I/61ZTfRd2NuL.jpg)
![Battery Disconnect Switch, Top Post Knife Blade Master Switch, Battery Disconnect Switch 12V 24V, Battery Cut Off Shut Off Switch for RV Automotive Truck Boat (Negative, Vertical) - Image 5](https://m.media-amazon.com/images/I/811kr7rl5mL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- VWTNI Battery Disconnect Switch, Top Post Knife Blade Master Switch, Battery Disconnect Switch 12V 24V, Battery Cut Off Shut Off Switch for RV Automotive Truck Boat (Negative, Vertical)
- Side Post Knife Blade Master Switch, Ampper 12V / 24V Battery Disconnect Switch Isolator for Marine Car Boat RV ATV Vehicles (with Long Bolt)
- Top Post Knife Blade Master Switch 12V 24V Battery Disconnect Cut Off Shut Off for Auto Car RV-Marine Boat Truck Vehicle (Negative,Vertical)

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**Shop now:** [https://www.desertcart.ec/products/641727770-battery-disconnect-switch-top-post-knife-blade-master-switch-battery](https://www.desertcart.ec/products/641727770-battery-disconnect-switch-top-post-knife-blade-master-switch-battery)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-21*